An increasing prevalence of the disease is attributed to the construction of high dams and irrigation in many parts of the world.

schistosomiasis

Explanation:

In simple words, Schistosomiasis can be understood as the disease caused by parasitic invertebrates named schistosomes, also recognized as snail disease as well as bilharzia. It can harm the bladder tract or even the bowels. Abdominal pressure, diarrhoea, bloody feces, or blood throughout the urine are indications.

Thus, from the above we can conclude that the correct answer is schistosomiasis.  

answer; i believe the correct answer is enlightenment;